Income Inequality in Garfield County, MT was 12.99346 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Garfield County, MT reached a record high of 14.59452 in January of 2020 and a record low of 8.60698 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Garfield County, MT - last updated from the United States Federal Reserve on May of 2024.